Transaction not yet indexed

MSExM31FrPHQcUCJncWRY5tv5FCc4Rk7jtdkaQMsFyvnPCVGoD5b3yfJFrTod6vuiwTZ5pHKMR1QTrbNzsFVVXG

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.